[3 colors, 9 brightness levels] reading lights are available in white, warm white, warm white, 3 colors and 30%, 60% and 100% brightness, so you can choose the perfect brightness to make your eyes comfortable, Enjoy reading time in bed without disturbing your roommates. Short press to change color, long press to change brightness. Brightness memory function, it keeps the brightness you previously selected. [USB rechargeable] The reading light does not require extra cables or batteries, and can be easily charged with the built-in USB, connect it directly to your computer, power, adapter , car charger or USB socket for charging. Charges for 1.5 hours, up to 8 hours (at the brightest setting). [Flexible lighting angle] the book reading lamp adopts a flexible design. The LED lens can be rotated 90 counterclockwise and clockwise, and 45 downward; the flexible 315 mount can be bent at any angle to get the best viewing effect. No need to constantly reset the lamps. [Small and light] reading light adopts a small design, 1.3 ounces (about 36.9 grams), small and light, very suitable for reading at night when clipped on a book, and can be fully folded and slim, convenient for the back seat of an airplane, train or car About reading, traveling, knitting, camping and cooking. [Multi-purpose] book reading lamp can also be used as a bookmark or mini flashlight. The perfect LED reading light, suitable for paperbacks, magazines, bedtime stories, etc. A great gift for children, friends and family. Note: Dear buyers, please charge before receiving the goods!